Julio Alfredo Jaramillo Laurido (October 1, 1935 – February 9, 1978) was a notable Ecuadorian singer and recording artist who performed throughout Latin America, achieving great fame for his renditions of boleros, valses, pasillos, tangos, and rancheras. Having recorded more than 4,000 songs throughout his career, his most famous song was and is "Nuestro Juramento" well known throughout all South America.